In the electron transport chain, the main purpose of the we breathe is to keep electrons moving along from the first to the last chemical carrier.
a. atoms
b. nitrogen
c. oxygen
d. carbon dioxide

the increase of protons   hope this

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

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(jacemorris04)